package stack;

/**
 * @author 老顾
 * @title: Deque
 * @projectName java-restudy
 * @email: 1437594522@qq.com
 * @date 2022/11/7 7:20
 */
public interface Deque<E> {

    void push(E e);

    E pop();

    boolean isEmpty();
}
